/**
 * 全站http配置
 *
 * header参数说明
 * serialize是否开启form表单提交
 * isToken是否需要token
 */
import {serialize} from '@/util/util'
import {getStore} from '../util/store'
import errorCode from '@/const/errorCode'
import router from "@/router/router"
import {Message} from 'element-ui'
import website from '@/const/website';
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import store from "@/store";
axios.defaults.timeout = 30000
// 返回其他状态吗
axios.defaults.validateStatus = function (status) {
  return status >= 200 && status <= 500 // 默认的
}
// 跨域请求，允许保存cookie
axios.defaults.withCredentials = true
// NProgress Configuration
NProgress.configure({
  showSpinner: false
})

// HTTPrequest拦截
axios.interceptors.request.use(config => {
  NProgress.start() // start progress bar
  const isToken = (config.headers || {}).isToken === false
  let token =  store.getters.access_token;
  if (token && !isToken) {
    config.headers['Authorization'] = 'Bearer ' + token// token
  }
  // headers中配置serialize为true开启序列化
  if (config.methods === 'post' && config.headers.serialize) {
    config.data = serialize(config.data)
    delete config.data.serialize
  }
  return config
}, error => {
  return Promise.reject(error)
})


// HTTPresponse拦截
axios.interceptors.response.use(res => {
  NProgress.done();
  const status = Number(res.status) || 200;
  const statusWhiteList = website.statusWhiteList || [];
  const message = res.data.msg || '未知错误';
  //如果请求为200则放过，否者默认统一处理,或者在website中配置statusWhiteList白名单自行处理
  if (status !== 200 && !statusWhiteList.includes(status)) {
    Message({
      message: message,
      type: 'error'
    });
    return Promise.reject(new Error(message))
  }
  //如果是401则跳转到登录页面
  if (status === 401) store.dispatch('FedLogOut').then(() => router.push({ path: '/login' }));
  // 如果是白名单类型放入catch自行处理
  if (status !== 200) return Promise.reject(res);
  return res;
}, error => {
  NProgress.done();
  return Promise.reject(new Error(error))
})

export default axios
